{"id":22634,"date":"2026-06-25T17:10:54","date_gmt":"2026-06-25T17:10:54","guid":{"rendered":"https:\/\/infos-media-nantes.fr\/?p=22634"},"modified":"2026-06-25T17:10:55","modified_gmt":"2026-06-25T17:10:55","slug":"defontaine-banc-essai-eolien-offshore-la-bruffiere-vendee","status":"publish","type":"post","link":"https:\/\/infos-media-nantes.fr\/defontaine-banc-essai-eolien-offshore-la-bruffiere-vendee\/","title":{"rendered":"En Vend\u00e9e, Defontaine inaugure le plus grand banc d\u2019essai \u00e9olien offshore d\u2019Europe \u00e0 La Bruffi\u00e8re"},"content":{"rendered":"\n<article>\n\n  <section>\n    <p>Defontaine Group franchit une nouvelle \u00e9tape industrielle \u00e0 La Bruffi\u00e8re, en Vend\u00e9e. L\u2019entreprise a inaugur\u00e9 le plus grand banc d\u2019essai \u00e9olien offshore d\u2019Europe, d\u00e9di\u00e9 aux roulements d\u2019orientation de pales d\u2019\u00e9oliennes.<\/p>\n\n    <p>Cet \u00e9quipement renforce la place du site vend\u00e9en dans la fili\u00e8re des \u00e9nergies marines renouvelables. Il doit permettre de tester des composants soumis \u00e0 des contraintes extr\u00eames, avant leur installation sur des \u00e9oliennes en mer.<\/p>\n\n    <p>Pour Defontaine, l\u2019enjeu est strat\u00e9gique. Le groupe con\u00e7oit et fabrique, sous sa marque Rollix, des couronnes d\u2019orientation et des roulements utilis\u00e9s dans plusieurs secteurs industriels, dont l\u2019\u00e9olien, le ferroviaire, la machine-outil, le m\u00e9dical, la marine et l\u2019offshore.<\/p>\n  <\/section>\n\n  <section>\n    <h2>Un outil industriel destin\u00e9 aux \u00e9oliennes offshore de nouvelle g\u00e9n\u00e9ration<\/h2>\n\n    <p>Le nouveau banc d\u2019essai doit valider la r\u00e9sistance et les performances des roulements de pales. Ces pi\u00e8ces jouent un r\u00f4le majeur dans le fonctionnement d\u2019une \u00e9olienne. Elles permettent d\u2019orienter les pales selon le vent, afin d\u2019optimiser la production et de prot\u00e9ger la machine.<\/p>\n\n    <p>Dans l\u2019\u00e9olien offshore, les contraintes sont particuli\u00e8rement fortes. Les \u00e9quipements doivent r\u00e9sister au vent, aux variations de charge, aux efforts m\u00e9caniques r\u00e9p\u00e9t\u00e9s, \u00e0 l\u2019humidit\u00e9, au sel et aux conditions marines.<\/p>\n\n    <p>Ce banc d\u2019essai permet donc de reproduire des situations s\u00e9v\u00e8res. Il sert \u00e0 mesurer la fiabilit\u00e9 des composants, \u00e0 anticiper leur dur\u00e9e de vie et \u00e0 pr\u00e9parer les futures g\u00e9n\u00e9rations d\u2019\u00e9oliennes en mer.<\/p>\n  <\/section>\n\n  <section>\n    <h2>Rollix, une marque vend\u00e9enne pr\u00e9sente dans l\u2019\u00e9olien mondial<\/h2>\n\n    <p>Rollix est une marque historique du groupe Defontaine. Cr\u00e9\u00e9e en 1969, elle s\u2019est impos\u00e9e dans les couronnes d\u2019orientation et les roulements sp\u00e9ciaux de haute pr\u00e9cision.<\/p>\n\n    <p>Dans l\u2019\u00e9olien, Rollix revendique une position majeure. L\u2019entreprise indique \u00e9quiper une part importante du parc mondial, avec des composants install\u00e9s sur des \u00e9oliennes terrestres et offshore. Ses solutions couvrent des machines de petites puissances comme des turbines offshore de derni\u00e8re g\u00e9n\u00e9ration.<\/p>\n\n    <p>Le site de La Bruffi\u00e8re joue ainsi un r\u00f4le industriel important pour la Vend\u00e9e et les Pays de la Loire. Il relie un savoir-faire m\u00e9canique local \u00e0 un march\u00e9 international port\u00e9 par la transition \u00e9nerg\u00e9tique.<\/p>\n  <\/section>\n\n  <section>\n    <h2>Un investissement pr\u00e9sent\u00e9 comme un levier de croissance<\/h2>\n\n    <p>Le banc d\u2019essai repr\u00e9sente un investissement de 2 millions d\u2019euros. Il doit permettre \u00e0 Defontaine de renforcer ses capacit\u00e9s de validation, tout en accompagnant les exigences croissantes des fabricants d\u2019\u00e9oliennes.<\/p>\n\n    <p>Mathieu Laumonier, pr\u00e9sident de Defontaine Group, pr\u00e9sente cet \u00e9quipement comme un outil de fiabilit\u00e9 et de d\u00e9veloppement. \u00ab Il s\u2019agit donc d\u2019un outil de validation garantissant la fiabilit\u00e9 de nos produits, mais aussi d\u2019un outil de progr\u00e8s et de croissance pour notre entreprise \u00bb, explique-t-il.<\/p>\n\n    <p>Cette installation donne aussi un signal \u00e0 la fili\u00e8re. \u00c0 mesure que les \u00e9oliennes offshore gagnent en puissance, leurs composants doivent \u00eatre plus grands, plus robustes et mieux test\u00e9s.<\/p>\n  <\/section>\n\n  <section>\n    <h2>La Bruffi\u00e8re au c\u0153ur d\u2019une fili\u00e8re industrielle d\u2019avenir<\/h2>\n\n    <p>Avec ce banc d\u2019essai, Defontaine consolide l\u2019ancrage de La Bruffi\u00e8re dans l\u2019industrie \u00e9olienne europ\u00e9enne. Le projet valorise un site de production vend\u00e9en capable de r\u00e9pondre \u00e0 des besoins techniques tr\u00e8s exigeants.<\/p>\n\n    <p>Il intervient aussi dans un contexte favorable aux \u00e9nergies marines renouvelables en Pays de la Loire. La r\u00e9gion dispose d\u2019un tissu d\u2019entreprises sp\u00e9cialis\u00e9es dans les composants, l\u2019ing\u00e9nierie, la fabrication, la maintenance et l\u2019offshore.<\/p>\n\n    <p>Pour la Vend\u00e9e, cette inauguration illustre une r\u00e9alit\u00e9 \u00e9conomique forte : l\u2019innovation industrielle ne se concentre pas uniquement dans les grandes m\u00e9tropoles. \u00c0 La Bruffi\u00e8re, Defontaine mise sur la technologie, l\u2019export et la transition \u00e9nerg\u00e9tique pour pr\u00e9parer la prochaine \u00e9tape de son d\u00e9veloppement.<\/p>\n  <\/section>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Defontaine Group franchit une nouvelle \u00e9tape industrielle \u00e0 La Bruffi\u00e8re, en Vend\u00e9e. L\u2019entreprise a inaugur\u00e9 le plus grand banc d\u2019essai \u00e9olien offshore d\u2019Europe, d\u00e9di\u00e9 aux roulements d\u2019orientation de pales d\u2019\u00e9oliennes. Cet \u00e9quipement renforce la place du site vend\u00e9en dans la fili\u00e8re des \u00e9nergies marines renouvelables. Il doit permettre de tester des composants soumis \u00e0 des [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":22635,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":"","event_start_date":"","event_end_date":"","event_location":"","imn_event_city":"","imn_event_start_time":"","imn_event_end_time":"","imn_event_all_day":"","imn_event_address":"","imn_event_ticket_url":"","imn_event_price":"","imn_event_status":"","imn_event_organizer":"","imn_event_accessibility":""},"categories":[29,22],"tags":[6452,6449,5271,6454,6450,6451,6453,281],"class_list":["post-22634","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-entreprises-locales-nantes","category-actualites-nantes","tag-banc-dessai-eolien-offshore","tag-defontaine","tag-eolien-en-mer","tag-industrie-vendeenne","tag-la-bruffiere","tag-rollix","tag-roulements-de-pales","tag-vendee"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - 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